Sisu 6.6L Tier III

The SISU7066 Performance Module fits 2012 6.6L Tier III SISU engines. This diesel performance module is designed for fuel economy with up to 30% increase in hp and fuel savings up to 10%-20%. Adjustable with a three position switch: Stock, +15%, & +30% hp. The module doesn’t flash the ECM; instead, it receives data from the ECM, optimizes the signal to the engine, improving fuel efficiency and power. Plug-and-play connectivity means there’s no need to cut, splice, or modify engine wiring. All modules come with a 3-year limited warranty. Module does not bypass, delete, or defeat any emission control systems.